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# docker build -t olivetree:builder --target=builder .
FROM elixir:1.8.1-alpine as builder
RUN apk add --no-cache \
    gcc \
    git \
    make \
    musl-dev
RUN mix local.rebar --force && \
    mix local.hex --force
WORKDIR /app

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iex(2)> import Ecto.Query
Ecto.Query
iex(3)> Video |> select([v], v.id)
#Ecto.Query<from v0 in DB.Schema.Video, select: v0.id>
iex(4)> Video |> select([v], v.id) |> DB.Repo.all()
[debug] QUERY OK source="videos" db=1.9ms decode=2.6ms queue=6.5ms
SELECT v0."id" FROM "videos" AS v0 []
[1]
iex(5)> Video |> select([v], v.id) |> DB.Repo.all() |> Enum.map(&Video.changeset_generate_hash_id/1)     
[debug] QUERY OK source="videos" db=0.3ms

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...
config :my_app_api, MyAppApi.Endpoint,
  url: [host: "api.%%%%.app"],
  secret_key_base: "%%%%",
  render_errors: [view: MyAppApi.ErrorView, accepts: ~w(html json)],
  pubsub: [name: MyAppApi.PubSub, adapter: Phoenix.PubSub.PG2],
  live_view: [signing_salt: "%%%%"]
  
  
...

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# ** (Ecto.Query.CompileError) Tuples can only be used in comparisons with literal tuples of the same size

  def search(query_string, offset \\ 0, limit \\ 0,
    media_category,
    playlist_uuid,
    channel_uuid,
    published_after
      ) do
    conditions = false

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    direction = :asc
    sorting = :track_number
    # direction = :desc
    # sorting = :presented_at

    media_category = Ecto.Query.from(playlist in Playlist,
    where: playlist.uuid == ^playlist_uuid,
    select: playlist.media_category)
    |> Repo.one
    |> IO.inspect

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defmodule YourAppName.Search do

  # ...

  @doc """
  Queries listings.
  """
  def query_listings(query, current_user) do
    default_scope = from l in Listing, where: l.draft == false or l.user_id == ^current_user.id, order_by: [desc: l.updated_at], limit: 50
    id = _try_integer(query)

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routes chunk:

```
  # ---- Pipelines ----
  pipeline :browser do
    plug :accepts, ["html"]
    plug :fetch_session
    plug :fetch_flash
    plug :protect_from_forgery
    plug :put_secure_browser_headers

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Phoenix.Template.UndefinedError at GET /
Could not render "app.html" for WordApi.LayoutView, please define a matching clause for render/2 or define a template at "lib/faithful_word_api/templates/layout". No templates were compiled for this module. Assigns:

%{__phx_template_not_found__: WordApi.LayoutView, conn: %Plug.Conn{adapter: {Plug.Cowboy.Conn, :...}, assigns: %{layout: {WordApi.LayoutView, "app.html"}}, before_send: [#Function<0.116269836/1 in Plug.CSRFProtection.call/2>, #Function<2.65282597/1 in Phoenix.Controller.fetch_flash/2>, #Function<0.58261320/1 in Plug.Session.before_send/2>, #Function<1.112466771/1 in Plug.Logger.call/2>, #Function<0.66982185/1 in Phoenix.LiveReloader.before_send_inject_reloader/2>], body_params: %{}, cookies: %{"cookieconsent_status" => "dismiss"}, halted: false, host: "localhost", method: "GET", owner: #PID<0.736.0>, params: %{}, path_info: [], path_params: %{}, port: 4000, private: %{WordApi.Router => {[], %{}}, :phoenix_action => :index, :phoenix_controller => WordApi.Pa

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Ecto.Query.from(fer in Transfer,
          join: tn in Transaction,
          where: fer.transaction_id == tn.id,
          order_by: tn.absolute_id,
          select: %{title: tn.basename, localizedTitle: fer.localizedname, uuid: tn.uuid, languageId: fer.language_id})
          |> Repo.all

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#
# Sphinx configuration file sample
#
# WARNING! While this sample file mentions all available options,
# it contains (very) short helper descriptions only. Please refer to
# doc/sphinx.html for details.
#

#############################################################################
## data source definition